Of all the Vampire Diaries twosomes, none is stronger — or more complicated — than Damon and Stefan. And although they've spent decades in opposition, the pair start to overcome their issues in the upcoming spring episodes.

"What's interesting about what's happening right now is the dynamic between the brothers. They are starting to really bond," Ian Somerhalder tells TVGuide.com. "A tease about the episode coming up is really about these brothers overcoming their disdain for each other and...